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Title: Osteogenic Sarcoma of the Maxilla: Neutron Therapy for Unresectable Disease

Purpose. To present a case study involving the use of fast neutron therapy to treat an extensive unresectable osteogenic sarcoma arising from the left maxilla. Patient. A 14-year-old male presented with a massive tumor producing severe distortion of his facial structures. He had already received six courses of chemotherapy, which had reduced his pain, but had not measurably reduced the tumor. Methods. The patient was treated with 66 MeV fast neutrons to a dose of 20.4 Gy in 13 fractions over 35 days. Results. CT assessments indicate gradually increasing calcification and noticeable reduction of soft-tissue disease in the frontal sinus, orbit and maxillary antrum.There has been some recontouring of the facial structures.The boy conducts an active life, has no pain, and feels well. He was 17 years old at the last follow-up. Discussion. Fast neutrons have a greater biological effectiveness than conventional photon beams. Their use has been associated with improved chance for local control of unresectable disease.This case illustrates their effectiveness in controlling an unusual and aggressive osteogenic sarcoma of the facial bone and sinuses.
 [1] ;  [1] ;  [2]
  1. Midwest Institute for Neutron Therapy at Fermilab, P.O. Box 500 MS301, Batavia, Illinois Provena Saint Joseph Hospital, Elgin, Illinois 60510, USA
  2. University of Illinois College of Medicine, Peoria, Illinois, USA
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Journal Volume: 3; Journal Issue: 2; Related Information: CHORUS Timestamp: 2016-08-23 05:22:39; Journal ID: ISSN 1357-714X
Hindawi Publishing Corporation
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